From patchwork Sun Aug 20 12:02:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jisheng Zhang X-Patchwork-Id: 13358776 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 54104EE49A4 for ; Sun, 20 Aug 2023 12:14:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=he68w7Tw2dZzPt+A4YpnpVBy3ZB6hnsXNfZfI8H4JO4=; b=o3h22JPVIMiqi1 ddhKLJsD66fdWtcMmjTA9GXk9WWFoW3t2Iok1a4ZoGYP13tf4vO62w8knupEYCYh0uDOAq22lHuPm 9nDw8Y4UmHLru1X9C0+Ov8yjtaRWl/qEFu1uo/ABrksCkDGGaLpI74CSALZuVjg1dDAsQkPAKQ4LK 3bxAmTihOobTMl2AlapqPSYcIHEKmXs0qI9r2U2+fgvsTUA+sdiQZVX8wsiDtTgO2AEMYXCzxTFJm Z6fkKIhZZ2WDhl7E8oqKDD/fBXcranWssZgBivikT+VX8H6HdTL+cEK6vi0XJQXCYYKh+TxS3cgV4 /QwZDjCIrJhKvGqYP0gg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qXhK4-00BscQ-1d; Sun, 20 Aug 2023 12:14:24 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qXhJs-00BsYj-38; Sun, 20 Aug 2023 12:14:14 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6172960A6D; Sun, 20 Aug 2023 12:14:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 54E68C433CB; Sun, 20 Aug 2023 12:14:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1692533651; bh=EWb+P3txvbafg7rtyKSyM9vIE84CV5SI1rjEO7WrC7E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=q2xkdFXW9IDM4IEr5OO9OFBpFD5VxDqpX80tvSxxF14Z6z+DYDTv3j1UFDSFcqOqL 1EdUE3yXcdCkFyRMOVj767X0ETveH/PRAVcMXH9GOWYkV8CKdAnq/+WQG9bns0kuEU svD7noomEBmZZPBpHeFxJ4NCxGNE18ESX+geeIn9unHfpZVVtxQvZ/YYuHS0vAiMAi uXLkWw6VjzpXND1nYqcXcz9i8z3WBapUs3+KZBtk4IbOkXOYXFpRcELTsSIsJ2xG/1 CU44q1bQp2cObVDRMd8J1vec6VcFmEl35A8HVyLRj90KRvA8Lndt+Xp9wzHdJ4tvnY WlQH4OCv1+r6g== From: Jisheng Zhang To: "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Subject: [PATCH net-next 2/3] dt-bindings: net: add T-HEAD dwmac support Date: Sun, 20 Aug 2023 20:02:12 +0800 Message-Id: <20230820120213.2054-3-jszhang@kernel.org> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230820120213.2054-1-jszhang@kernel.org> References: <20230820120213.2054-1-jszhang@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230820_051413_095099_9B94A940 X-CRM114-Status: GOOD ( 13.11 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add documentation to describe T-HEAD dwmac. Signed-off-by: Jisheng Zhang --- .../devicetree/bindings/net/snps,dwmac.yaml | 1 + .../devicetree/bindings/net/thead,dwmac.yaml | 87 +++++++++++++++++++ 2 files changed, 88 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/thead,dwmac.yaml diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml index 7626289157df..b8f61db0e9d9 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -96,6 +96,7 @@ properties: - snps,dwxgmac - snps,dwxgmac-2.10 - starfive,jh7110-dwmac + - thead,th1520-dwmac reg: minItems: 1 diff --git a/Documentation/devicetree/bindings/net/thead,dwmac.yaml b/Documentation/devicetree/bindings/net/thead,dwmac.yaml new file mode 100644 index 000000000000..8ab16c408537 --- /dev/null +++ b/Documentation/devicetree/bindings/net/thead,dwmac.yaml @@ -0,0 +1,87 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/thead,dwmac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: T-HEAD DWMAC glue layer + +maintainers: + - Jisheng Zhang + +select: + properties: + compatible: + contains: + enum: + - thead,th1520-dwmac + required: + - compatible + +properties: + compatible: + items: + - enum: + - thead,th1520-dwmac + - const: snps,dwmac-3.70a + + reg: + maxItems: 1 + + clocks: + items: + - description: GMAC main clock + - description: AXI clock + + clock-names: + items: + - const: stmmaceth + - const: axi + + thead,gmacapb: + $ref: /schemas/types.yaml#/definitions/phandle + description: + The phandle to the syscon node that control ethernet + interface and timing delay. + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + - interrupt-names + - phy-mode + - thead,gmacapb + +allOf: + - $ref: snps,dwmac.yaml# + +unevaluatedProperties: false + +examples: + - | + gmac0: ethernet@e7070000 { + compatible = "thead,th1520-dwmac", "snps,dwmac-3.70a"; + reg = <0xe7070000 0x2000>; + clocks = <&clk 1>, <&clk 2>; + clock-names = "stmmaceth", "axi"; + interrupts = <66>; + interrupt-names = "macirq"; + phy-mode = "rgmii-id"; + snps,fixed-burst; + snps,axi-config = <&stmmac_axi_setup>; + snps,pbl = <32>; + thead,gmacapb = <&gmacapb_syscon>; + phy-handle = <&phy0>; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + compatible = "snps,dwmac-mdio"; + + phy0: ethernet-phy@0 { + reg = <0>; + }; + }; + };